284 lines
7.3 KiB
JavaScript
284 lines
7.3 KiB
JavaScript
function Tool()
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{
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this.index = 0;
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this.settings = { size:{width:300,height:300} }
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this.layers = [[],[],[]];
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this.styles = [
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{ thickness:10,strokeLinecap:"round",strokeLinejoin:"round",color:"#f00",fill:"none",mirror_style:0 },
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{ thickness:10,strokeLinecap:"round",strokeLinejoin:"round",color:"#0f0",fill:"none",mirror_style:0 },
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{ thickness:10,strokeLinecap:"round",strokeLinejoin:"round",color:"#00f",fill:"none",mirror_style:0 }
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];
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this.vertices = [];
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this.reqs = { line:2,arc_c:2,arc_r:2,bezier:3,close:0 };
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this.start = function()
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{
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this.styles[0].color = dotgrid.theme.active.f_high
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this.styles[1].color = dotgrid.theme.active.f_med
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this.styles[2].color = dotgrid.theme.active.f_low
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}
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this.reset = function()
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{
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this.layers = [[],[],[]];
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this.vertices = [];
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this.index = 0;
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dotgrid.set_size({width:300,height:300})
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}
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this.clear = function()
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{
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this.vertices = [];
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dotgrid.guide.refresh();
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dotgrid.interface.refresh(true);
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}
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this.undo = function()
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{
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this.layers = dotgrid.history.prev();
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dotgrid.guide.refresh();
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dotgrid.interface.refresh(true);
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}
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this.redo = function()
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{
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this.layers = dotgrid.history.next();
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dotgrid.guide.refresh();
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dotgrid.interface.refresh(true);
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}
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// I/O
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this.export = function(target = {settings:this.settings,layers:this.layers,styles:this.styles})
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{
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return JSON.stringify(copy(target), null, 2);
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}
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this.import = function(layer)
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{
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this.layers[this.index] = this.layers[this.index].concat(layer)
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dotgrid.history.push(this.layers);
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this.clear();
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dotgrid.guide.refresh();
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dotgrid.interface.refresh(true);
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}
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this.replace = function(dot)
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{
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if(!dot.layers || dot.layers.length != 3){ console.warn("Incompatible version"); return; }
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if(this.settings && (this.settings.size.width != dot.settings.size.width || this.settings.size.height != dot.settings.size.height)){
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dotgrid.set_size({width:dot.settings.size.width,height:dot.settings.size.height})
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}
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this.layers = dot.layers;
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this.styles = dot.styles;
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this.settings = dot.settings;
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this.clear();
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dotgrid.guide.refresh();
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dotgrid.interface.refresh(true);
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dotgrid.history.push(this.layers);
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}
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// EDIT
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this.remove_segment = function()
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{
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if(this.vertices.length > 0){ this.clear(); return; }
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this.layer().pop();
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this.clear();
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dotgrid.guide.refresh();
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dotgrid.interface.refresh(true);
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}
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this.remove_segments_at = function(pos)
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{
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for(segment_id in this.layer()){
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var segment = this.layer()[segment_id];
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for(vertex_id in segment.vertices){
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var vertex = segment.vertices[vertex_id];
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if(Math.abs(pos.x) == Math.abs(vertex.x) && Math.abs(pos.y) == Math.abs(vertex.y)){
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segment.vertices.splice(vertex_id,1)
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}
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}
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if(segment.vertices.length < 2){
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this.layers[this.index].splice(segment_id,1)
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}
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}
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this.clear();
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dotgrid.guide.refresh();
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dotgrid.interface.refresh(true);
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}
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this.add_vertex = function(pos)
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{
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pos = {x:Math.abs(pos.x),y:Math.abs(pos.y)}
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this.vertices.push(pos);
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dotgrid.interface.refresh(true);
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}
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this.vertex_at = function(pos)
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{
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for(segment_id in this.layer()){
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var segment = this.layer()[segment_id];
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for(vertex_id in segment.vertices){
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var vertex = segment.vertices[vertex_id];
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if(vertex.x == Math.abs(pos.x) && vertex.y == Math.abs(pos.y)){
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return vertex;
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}
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}
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}
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return null;
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}
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this.cast = function(type)
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{
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if(!this.layer()){ this.layers[this.index] = []; }
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if(!this.can_cast(type)){ console.warn("Cannot cast"); return; }
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var append_target = this.can_append({type:type,vertices:this.vertices.slice()})
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if(append_target){
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this.layers[this.index][append_target].vertices = this.layers[this.index][append_target].vertices.concat(this.vertices.slice())
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}
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else{
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this.layer().push({type:type,vertices:this.vertices.slice()})
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}
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dotgrid.history.push(this.layers);
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this.clear();
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dotgrid.guide.refresh();
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dotgrid.interface.refresh(true);
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console.log(`Casted ${type} -> ${this.layer().length} elements`);
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}
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this.can_append = function(content)
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{
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for(id in this.layer()){
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var stroke = this.layer()[id];
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if(stroke.type != content.type){ continue; }
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if(!stroke.vertices[stroke.vertices.length-1]){ continue; }
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if(stroke.vertices[stroke.vertices.length-1].x != content.vertices[0].x){ continue; }
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if(stroke.vertices[stroke.vertices.length-1].y != content.vertices[0].y){ continue; }
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return id;
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}
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return false;
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}
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this.can_cast = function(type)
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{
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if(!type){ return false; }
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// Cannot cast close twice
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if(type == "close"){
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var prev = this.layer()[this.layer().length-1];
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if(!prev || prev.type == "close"){
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return false;
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}
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}
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if(type == "bezier"){
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if(this.vertices.length % 2 == 0){
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return false;
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}
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}
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return this.vertices.length >= this.reqs[type];
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}
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this.paths = function()
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{
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var l1 = new Generator(dotgrid.tool.layers[0]).toString({x:0,y:0},1)
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var l2 = new Generator(dotgrid.tool.layers[1]).toString({x:0,y:0},1)
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var l3 = new Generator(dotgrid.tool.layers[2]).toString({x:0,y:0},1)
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return [l1,l2,l3]
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}
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this.path = function()
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{
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return new Generator(dotgrid.tool.layer()).toString({x:0,y:0},1)
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}
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this.translate = function(a,b)
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{
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for(segment_id in this.layer()){
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var segment = this.layer()[segment_id];
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for(vertex_id in segment.vertices){
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var vertex = segment.vertices[vertex_id];
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if(vertex.x == Math.abs(a.x) && vertex.y == Math.abs(a.y)){
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segment.vertices[vertex_id] = {x:Math.abs(b.x),y:Math.abs(b.y)};
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}
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}
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}
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dotgrid.history.push(this.layers);
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this.clear();
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dotgrid.guide.refresh();
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}
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this.translate_multi = function(a,b)
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{
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var offset = {x:a.x - b.x,y:a.y - b.y}
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for(segment_id in this.layer()){
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var segment = this.layer()[segment_id];
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for(vertex_id in segment.vertices){
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var vertex = segment.vertices[vertex_id];
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segment.vertices[vertex_id] = {x:vertex.x+offset.x,y:vertex.y-offset.y};
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}
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}
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dotgrid.history.push(this.layers);
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this.clear();
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dotgrid.guide.refresh();
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}
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// Toggles
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this.toggle_mirror = function()
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{
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this.style().mirror_style = this.style().mirror_style > 1 ? 0 : this.style().mirror_style+1;
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dotgrid.guide.refresh();
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dotgrid.interface.refresh(true);
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}
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// Style
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this.style = function()
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{
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if(!this.styles[this.index]){
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this.styles[this.index] = [];
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}
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return this.styles[this.index];
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}
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// Layers
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this.layer = function()
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{
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if(!this.layers[this.index]){
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this.layers[this.index] = [];
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}
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return this.layers[this.index];
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}
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this.select_layer = function(id)
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{
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this.index = clamp(id,0,2);
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this.clear();
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dotgrid.guide.refresh();
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dotgrid.interface.refresh(true);
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console.log(`layer:${this.index}`)
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}
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this.select_next_layer = function()
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{
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this.index = this.index >= 2 ? 0 : this.index+1
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this.select_layer(this.index);
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}
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function copy(data){ return data ? JSON.parse(JSON.stringify(data)) : []; }
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function clamp(v, min, max) { return v < min ? min : v > max ? max : v; }
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}
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